I've bolted them with my busher in France, they'd be great sport if we had a few here, a village local to my late uncle in France used to all get together and dug over a hundred of the beggars killing with guns terriers etc. I was night fishing on a local river one evening it was pitch black , heard a small noise , switched my head torch on to be face to face with a big one of them buggers, I shot a brick, but thankfully so did he and jumped back in quick as a flash. Watched my old Hancock dog jack on one, had a face off were doing circles, thing puffed himself up like a balloon and eventually